Date
Sat, 28 Nov 2026
Start
09:00
Venue
Machen Welfare Ground, Tyn-y-Waun Road, Machen, CF83 8LA
Machen, Caerphilly
Countdown
November
The half marathon of the Machen Trail Races: a fully marked 22.5 km loop, so you can focus on running the trail rather than reading a map.
Key facts
01Kit check at registration: no kit, no entry
02Course is fully marked
03Cut-offs work out at roughly 2.5 mph, so keep moving
Create a free training plan for the Machen Trail Races 22 km
7-day free trial, no card required
The course
The route
Machen
Distance23km
StartElevation
0 kmDrag map to rotate22.6 km
Weather
Late-November, Machen
9°CTypical high
4°CTypical low
-4°CColdest in 20 years
54%Days with rain
Highs around 9°C and lows around 4°C, but it has dropped to -4°C. Rain on 54% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2023 results
Who finishes, and how
#RiderTimeAvg speed
01Katie Beecher02:09:0410.5 km/h
02Florence King02:16:219.9 km/h
03Rach Burgess02:20:409.6 km/h
48
Women finishers
3:09:20
Median time
7.1 km/h
Median speed
Women · 2023 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Machen Trail Races 22 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Machen Trail Races 22 km plan targets
Typical sessions
23 km
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Machen Trail Races 22 km plan.
7-day free trial, no card required.
More events in November in United Kingdom
Anglesey Trail Half MarathonExpected Early November 2026 · Niwbwrch→The TFG Cheese & Crackers Trail RacesSun, 1 Nov 2026 · Hartington→Wendover Woods Marathon, Half Marathon & 10kSun, 1 Nov 2026 · Aylesbury→Rutland Night10kFri, 6 Nov 2026 · Edith Weston→Allithwaite 8Sat, 7 Nov 2026 · Allithwaite→Beacons Ultra, Beacons Marathon & Beacons Half MarathonSat, 7 Nov 2026 · Brecon→
